Biogeochemical Cycles Quiz

What is the primary role of biogeochemical cycles?

• To create new elements

• To move chemical elements through different media

• To prevent energy flow in ecosystems

• To destroy chemical elements

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which element is the basic building block of all organic materials?

• Sulfur

• Phosphorus

• Nitrogen

• Carbon

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-6

What process converts atmospheric nitrogen into a form usable by plants?

• Eutrophication

• Respiration

• Photosynthesis

• Nitrogen fixation

Which cycle is interconnected with the water cycle?

• Carbon cycle

• Phosphorus cycle

• Nitrogen cycle

• All of the above

Tags

NGSS.MS-ESS2-4

What is the main consequence of human alteration of the carbon cycle?

• Increased oxygen levels

• Decreased nitrogen levels

• Climate change

• Increased sulfur levels

Tags

NGSS.HS-LS2-5

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What is eutrophication primarily caused by?

• Excess phosphorus and nitrogen

• Increased oxygen levels

• Lack of sunlight

• Overfishing

Tags

NGSS.MS-ESS3-4

Which process is responsible for the release of carbon dioxide during decomposition?

• Respiration

• Eutrophication

• Nitrogen fixation

• Photosynthesis

What is the primary form of phosphorus in the phosphorus cycle?

• Phosphate ion

• Nitrogen gas

• Carbonate ion

• Sulfur dioxide

Which human activity contributes to the sulfur cycle imbalance?

• Deforestation

• Urbanization

• Burning fossil fuels

• Fishing

Tags

NGSS.MS-ESS3-4

What is the role of decomposers in the carbon cycle?

• To absorb sulfur

• To release carbon dioxide

• To produce oxygen

• To fix nitrogen

Tags

NGSS.MS-LS2-3